Komatsu WB140-2 and WB150-2N backhoe loader boom cylinder hydraulic service repair kit
Komatsu 878000489 backhoe loader hydraulic cylinder seal kit packaging and part label
Heavy duty PU boom cylinder oil seals and O-rings in Komatsu 878000489 repair kit
878000489 Hydraulic Boom Cylinder Seal Kit for Komatsu WB140-2 WB150-2N Backhoe Loader
Komatsu WB140-2 and WB150-2N backhoe loader boom cylinder hydraulic service repair kit
Komatsu 878000489 backhoe loader hydraulic cylinder seal kit packaging and part label
Heavy duty PU boom cylinder oil seals and O-rings in Komatsu 878000489 repair kit
878000489 Hydraulic Boom Cylinder Seal Kit for Komatsu WB140-2 WB150-2N Backhoe Loader

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878000489 Hydraulic Boom Cylinder Repair Kit for Komatsu WB140-2 WB150-2N Backhoe Loader

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$50.00 inc. VAT
-33% $75.00 $50.00 inc. VAT
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Product Description
Restore maximum lifting capacity and eliminate hydraulic fluid leaks in your backhoe loader with this premium Hydraulic Boom Cylinder Seal Kit, specifically engineered for Komatsu WB140-2 and WB150-2N Backhoe Loaders.
Manufactured to meet or exceed strict OEM specifications, this heavy-duty cylinder repair kit provides outstanding pressure retention, thermal stability, and oil resistance, effectively stopping oil leaks and preventing boom drift during heavy excavation and loading operations.
Technical Specifications:
Brand Compatibility: Komatsu
Compatible Equipment Models: WB140-2, WB150-2N Backhoe Loaders
Application Location: Backhoe Boom Hydraulic Cylinder
OEM Part Number: 878000489
Why Choose Our Komatsu Backhoe Seal Kits?
Premium Heavy-Duty Elastomers: Built with top-grade Polyurethane (PU), durable NBR rubber, and low-friction PTFE wear rings to handle extreme hydraulic pressure spikes, continuous shock loads, and high fluid heat.
Precision OEM Fit: Dimensional accuracy guarantees an exact drop-in replacement, reducing repair shop downtime and securing a 100% leak-proof seal.
Built for Heavy Duty: Designed to endure severe job site conditions, dirt, and abrasive dust, extending the operational service life of your boom cylinder.
Important Fitment Note:
This seal kit is designed specifically for the boom cylinder on Komatsu WB140-2 and WB150-2N backhoe loaders. Please cross-check your original cylinder part number (878000489) or machine serial number prior to ordering to guarantee 100% compatibility.

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